Dyfyniad APA

C J Date. (2001). An introduction to database systems (7th Ed.). Pearson Education.

Dyfyniad Arddull Chicago

C J Date. An Introduction to Database Systems. 7th Ed. Pearson Education, 2001.

Dyfyniad MLA

C J Date. An Introduction to Database Systems. 7th Ed. Pearson Education, 2001.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.